/* =============================================================
   APPROMOVE — Blog Stylesheet
   blog.css — used by blog/index.html and all blog posts
   ============================================================= */

/* ---- BLOG INDEX HERO ---- */
.blog-hero {
    padding: 130px 2rem 60px;
    text-align: center;
    position: relative;
}
.blog-hero::before {
    content: ''; position: absolute; top: -80px; left: 50%;
    transform: translateX(-50%);
    width: 800px; height: 600px; border-radius: 50%;
    background: radial-gradient(circle, rgba(59,130,246,0.12) 0%, transparent 65%);
    pointer-events: none;
}
.blog-hero > * { position: relative; z-index: 1; }
.blog-hero h1 {
    font-size: clamp(2.4rem, 5vw, 3.6rem);
    font-weight: 900; letter-spacing: -2px; margin-bottom: 0.6rem;
}
.blog-hero p { font-size: 1rem; color: var(--gray); max-width: 460px; margin: 0 auto; }

/* ---- BLOG LISTING GRID ---- */
.blog-section { padding: 0 2rem 6rem; }
.blog-inner { max-width: 1000px; margin: 0 auto; }

.blog-categories {
    display: flex; gap: 0.5rem; flex-wrap: wrap;
    justify-content: center; margin-bottom: 3rem;
}
.blog-cat-btn {
    background: transparent; border: 1px solid var(--border);
    color: var(--gray); padding: 5px 14px; border-radius: 99px;
    font-size: 0.75rem; font-weight: 600; cursor: pointer;
    transition: all 0.2s; font-family: inherit;
}
.blog-cat-btn:hover,
.blog-cat-btn.active {
    background: var(--accent-soft); border-color: var(--accent); color: var(--white);
}

.blog-grid {
    display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.8rem;
}
.blog-card {
    background: var(--bg-card); border: 1px solid var(--border);
    border-radius: 20px; overflow: hidden;
    transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
    display: flex; flex-direction: column;
    text-decoration: none; color: inherit;
}
.blog-card:hover {
    transform: translateY(-6px);
    border-color: rgba(59,130,246,0.4);
    box-shadow: 0 16px 48px rgba(59,130,246,0.12);
}
.blog-card-img {
    width: 100%; aspect-ratio: 16/9; object-fit: cover;
    display: block; background: var(--bg-soft);
}
.blog-card-img-placeholder {
    width: 100%; aspect-ratio: 16/9;
    background: linear-gradient(135deg, var(--bg-soft) 0%, rgba(59,130,246,0.08) 100%);
    display: flex; align-items: center; justify-content: center;
    font-size: 2.5rem; color: var(--accent); border-bottom: 1px solid var(--border);
}
.blog-card-body { padding: 1.4rem; flex: 1; display: flex; flex-direction: column; gap: 0.6rem; }
.blog-card-meta {
    display: flex; align-items: center; gap: 0.75rem;
    font-size: 0.72rem; color: var(--gray-dim);
}
.blog-card-cat {
    display: inline-block; font-size: 0.62rem; font-weight: 800;
    text-transform: uppercase; letter-spacing: 1.5px; color: var(--accent);
    padding: 2px 8px; border-radius: 4px;
    background: var(--accent-soft); border: 1px solid rgba(59,130,246,0.2);
}
.blog-card h3 {
    font-size: 1rem; font-weight: 700; line-height: 1.4;
    color: var(--white); margin: 0;
}
.blog-card p {
    font-size: 0.83rem; color: var(--gray); line-height: 1.6; margin: 0; flex: 1;
}
.blog-card-read {
    font-size: 0.78rem; font-weight: 600; color: var(--accent);
    margin-top: auto; padding-top: 0.5rem;
}

/* Featured post (first card, full width) */
.blog-card.featured {
    grid-column: 1 / -1;
    flex-direction: row;
}
.blog-card.featured .blog-card-img-placeholder,
.blog-card.featured .blog-card-img {
    width: 45%; min-height: 240px; aspect-ratio: unset; flex-shrink: 0;
    border-bottom: none; border-right: 1px solid var(--border);
}
.blog-card.featured .blog-card-body { padding: 2rem 2.5rem; justify-content: center; }
.blog-card.featured h3 { font-size: 1.35rem; }
.blog-card.featured p { font-size: 0.9rem; }

/* Empty placeholder card */
.blog-card-empty {
    background: rgba(255,255,255,0.02); border: 1px dashed var(--border);
    border-radius: 20px; padding: 2.5rem; text-align: center;
    color: var(--gray-dim); font-size: 0.82rem; display: flex;
    flex-direction: column; align-items: center; justify-content: center;
    gap: 0.5rem; min-height: 200px;
}
.blog-card-empty span { font-size: 1.8rem; opacity: 0.4; }

/* ---- ARTICLE PAGE ---- */
.article-hero {
    padding: 130px 2rem 40px; max-width: 760px; margin: 0 auto;
}
.article-cat {
    display: inline-block; font-size: 0.62rem; font-weight: 800;
    text-transform: uppercase; letter-spacing: 1.5px; color: var(--accent);
    padding: 3px 10px; border-radius: 4px;
    background: var(--accent-soft); border: 1px solid rgba(59,130,246,0.2);
    margin-bottom: 1rem;
}
.article-hero h1 {
    font-size: clamp(1.9rem, 4.5vw, 2.9rem);
    font-weight: 900; letter-spacing: -1.5px;
    line-height: 1.15; margin-bottom: 1rem; color: var(--white);
}
.article-hero .article-desc {
    font-size: 1.05rem; color: var(--gray); line-height: 1.7; margin-bottom: 1.5rem;
}
.article-meta {
    display: flex; align-items: center; gap: 1.2rem;
    font-size: 0.78rem; color: var(--gray-dim); flex-wrap: wrap;
    padding-bottom: 1.5rem; border-bottom: 1px solid var(--border);
}
.article-meta-dot { width: 3px; height: 3px; border-radius: 50%; background: var(--gray-dim); }

.article-banner {
    max-width: 760px; margin: 0 auto 0;
    border-radius: 16px; overflow: hidden;
    border: 1px solid var(--border);
}
.article-banner img { width: 100%; height: auto; display: block; }

/* GIF / image placeholder inside article */
/* Image shows by default; placeholder only appears if image fails */
.article-gif {
    margin: 2rem 0; border-radius: 14px; overflow: hidden;
}
.article-gif .gif-img {
    display: block; width: 100%; border-radius: 14px;
    object-fit: cover;
}
/* Placeholder (icon + label) hidden by default — only shown on error */
.article-gif .gif-icon,
.article-gif .gif-label,
.article-gif > p { display: none; }

/* Error state: image failed — show placeholder box */
.article-gif.gif-error {
    background: linear-gradient(135deg, var(--bg-card) 0%, rgba(59,130,246,0.06) 100%);
    border: 1px solid var(--border);
    display: flex; flex-direction: column; align-items: center;
    justify-content: center; gap: 0.6rem;
    padding: 2.5rem 1.5rem;
    color: var(--gray-dim); font-size: 0.82rem; text-align: center;
}
.article-gif.gif-error .gif-icon { display: block; font-size: 2.2rem; opacity: 0.55; }
.article-gif.gif-error .gif-label { display: block; color: var(--gray); font-weight: 600; font-size: 0.85rem; }
.article-gif.gif-error > p { display: block; }

/* Legacy img/video (direct, non-placeholder) */
.article-gif > img:not(.gif-img),
.article-gif video {
    width: 100%; border-radius: 10px; display: block; margin: 0;
}

/* ---- ARTICLE BODY ---- */
.article-body {
    max-width: 760px; margin: 0 auto;
    padding: 2.5rem 2rem 5rem;
    font-size: 1rem; color: rgba(200, 210, 230, 0.9); line-height: 1.8;
}
.article-body h2 {
    font-size: 1.45rem; font-weight: 800; letter-spacing: -0.5px;
    color: var(--white); margin: 2.8rem 0 0.9rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border);
}
.article-body h3 {
    font-size: 1.1rem; font-weight: 700; color: var(--white);
    margin: 2rem 0 0.7rem;
}
.article-body p { margin-bottom: 1.2rem; }
.article-body strong { color: var(--white); font-weight: 700; }
.article-body a { color: var(--accent); text-decoration: underline; }
.article-body a.btn-primary,
.article-cta a.btn-primary { color: var(--white) !important; text-decoration: none !important; }
.article-body ul, .article-body ol {
    padding-left: 1.5rem; margin-bottom: 1.2rem;
}
.article-body li { margin-bottom: 0.5rem; }
.article-body code {
    background: rgba(59,130,246,0.1); border: 1px solid rgba(59,130,246,0.2);
    border-radius: 5px; padding: 2px 7px;
    font-family: 'Courier New', monospace; font-size: 0.87em; color: var(--cyan);
}
.article-body pre {
    background: var(--bg-card); border: 1px solid var(--border);
    border-radius: 12px; padding: 1.4rem 1.6rem; margin: 1.4rem 0;
    overflow-x: auto; position: relative;
}
.article-body pre code {
    background: none; border: none; padding: 0;
    font-size: 0.88rem; line-height: 1.65; color: var(--cyan);
    white-space: pre;
}
.article-body blockquote {
    border-left: 3px solid var(--accent); margin: 1.8rem 0;
    padding: 0.8rem 1.4rem;
    background: var(--accent-soft); border-radius: 0 10px 10px 0;
    color: var(--white); font-style: italic; font-size: 1.02rem;
}

/* Info / tip boxes */
.article-tip {
    background: rgba(52,211,153,0.07); border: 1px solid rgba(52,211,153,0.25);
    border-radius: 12px; padding: 1rem 1.4rem; margin: 1.5rem 0;
    font-size: 0.9rem; color: var(--gray);
}
.article-tip strong { color: var(--green); }

.article-warn {
    background: rgba(251,146,60,0.07); border: 1px solid rgba(251,146,60,0.25);
    border-radius: 12px; padding: 1rem 1.4rem; margin: 1.5rem 0;
    font-size: 0.9rem; color: var(--gray);
}
.article-warn strong { color: var(--orange); }

/* Steps with numbers */
.article-steps { list-style: none; padding: 0; margin: 1.5rem 0; }
.article-steps li {
    display: flex; gap: 1rem; align-items: flex-start;
    padding: 0.9rem 1rem; background: var(--bg-card);
    border: 1px solid var(--border); border-radius: 12px;
    margin-bottom: 0.7rem; font-size: 0.93rem; color: var(--gray);
}
.article-steps li .step-n {
    width: 26px; height: 26px; border-radius: 50%;
    background: linear-gradient(135deg, var(--accent), var(--cyan));
    color: #fff; font-weight: 800; font-size: 0.78rem;
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0; margin-top: 1px;
}
.article-steps li strong { color: var(--white); }

/* VS / Comparison table */
.article-compare {
    display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin: 2rem 0;
}
.compare-col {
    background: var(--bg-card); border: 1px solid var(--border);
    border-radius: 14px; padding: 1.4rem;
}
.compare-col h4 {
    font-size: 0.85rem; font-weight: 800; text-transform: uppercase;
    letter-spacing: 1px; margin-bottom: 0.9rem;
}
.compare-col.pro h4 { color: var(--accent); }
.compare-col.basic h4 { color: var(--gray); }
.compare-col ul { list-style: none; padding: 0; margin: 0; }
.compare-col ul li {
    font-size: 0.85rem; color: var(--gray); padding: 0.35rem 0;
    border-bottom: 1px solid rgba(255,255,255,0.04);
    display: flex; gap: 0.5rem;
}
.compare-col ul li:last-child { border-bottom: none; }
.compare-col.basic ul li::before { content: '–'; color: var(--gray-dim); }
.compare-col.pro ul li::before { content: '✓'; color: var(--green); }

/* ---- ARTICLE CTA BOX ---- */
.article-cta {
    background: linear-gradient(135deg, rgba(59,130,246,0.1) 0%, rgba(96,165,250,0.06) 100%);
    border: 1px solid rgba(59,130,246,0.3);
    border-radius: 20px; padding: 2.2rem; text-align: center;
    margin: 3rem 0;
}
.article-cta h3 {
    font-size: 1.35rem; font-weight: 800; margin-bottom: 0.5rem; color: var(--white);
    letter-spacing: -0.5px;
}
.article-cta p { color: var(--gray); font-size: 0.9rem; margin-bottom: 1.4rem; }
.article-cta a { text-decoration: none; }

/* ---- AUTHOR / SHARE BOX ---- */
.article-footer-box {
    display: flex; justify-content: space-between; align-items: center;
    flex-wrap: wrap; gap: 1rem;
    padding: 1.5rem 0; margin-top: 2rem;
    border-top: 1px solid var(--border);
}
.article-tags { display: flex; gap: 0.4rem; flex-wrap: wrap; }
.article-tag {
    font-size: 0.72rem; padding: 3px 10px; border-radius: 99px;
    font-weight: 600; background: rgba(255,255,255,0.05);
    color: var(--gray); border: 1px solid var(--border); text-decoration: none;
}
.article-tag:hover { border-color: var(--accent); color: var(--white); }
.article-share { display: flex; gap: 0.5rem; align-items: center; }
.share-label { font-size: 0.75rem; color: var(--gray-dim); }
.share-btn {
    display: inline-flex; align-items: center; gap: 5px;
    padding: 5px 12px; border-radius: 8px; font-size: 0.75rem; font-weight: 600;
    text-decoration: none; transition: all 0.2s;
    border: 1px solid var(--border); color: var(--gray); cursor: pointer;
    background: transparent; font-family: inherit;
}
.share-btn:hover { border-color: var(--accent); color: var(--white); }

/* ---- RELATED POSTS ---- */
.related-section {
    max-width: 760px; margin: 0 auto; padding: 0 2rem 4rem;
}
.related-section h3 {
    font-size: 1rem; font-weight: 700; color: var(--gray);
    margin-bottom: 1.2rem; text-transform: uppercase;
    letter-spacing: 1px; font-size: 0.72rem;
}
.related-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; }
.related-card {
    background: var(--bg-card); border: 1px solid var(--border);
    border-radius: 14px; padding: 1.2rem; text-decoration: none;
    transition: all 0.2s; display: block;
}
.related-card:hover { border-color: rgba(59,130,246,0.4); transform: translateY(-3px); }
.related-card .blog-card-cat { margin-bottom: 0.5rem; }
.related-card h4 { font-size: 0.92rem; font-weight: 700; color: var(--white); line-height: 1.4; }

/* ---- BREADCRUMB ---- */
.breadcrumb {
    max-width: 760px; margin: 0 auto;
    padding: 0 2rem;
    font-size: 0.78rem; color: var(--gray-dim);
    padding-top: 80px;
}
.breadcrumb a { color: var(--gray-dim); text-decoration: none; }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb span { margin: 0 0.4rem; }

/* ---- RESPONSIVE ---- */
@media (max-width: 900px) {
    .blog-grid { grid-template-columns: 1fr 1fr; }
    .blog-card.featured { flex-direction: column; }
    .blog-card.featured .blog-card-img-placeholder,
    .blog-card.featured .blog-card-img {
        width: 100%; min-height: 180px; aspect-ratio: 16/9;
        border-right: none; border-bottom: 1px solid var(--border);
    }
    .article-compare { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
    .blog-hero { padding: 100px 1.25rem 40px; }
    .blog-section { padding: 0 1.25rem 4rem; }
    .blog-grid { grid-template-columns: 1fr; }
    .article-hero { padding: 100px 1.25rem 30px; }
    .article-body { padding: 2rem 1.25rem 4rem; }
    .breadcrumb { padding: 0 1.25rem; padding-top: 70px; }
    .article-body h2 { font-size: 1.2rem; }
    .related-section { padding: 0 1.25rem 3rem; }
    .related-grid { grid-template-columns: 1fr; }
    .article-footer-box { flex-direction: column; align-items: flex-start; }

    /* Contact / collaborate box on mobile */
    .article-cta { padding: 1.4rem; overflow: hidden; }
    .article-cta h3 { font-size: 1.05rem; flex-wrap: wrap; gap: 6px; }
    .article-cta p { font-size: 0.85rem; }
    .feedback-input, .feedback-textarea { font-size: 0.82rem; }

    /* Download button inside article — prevent overflow */
    .article-cta .btn-primary, .article-body .btn-primary {
        white-space: normal; min-width: unset; width: 100%;
        font-size: 0.82rem; padding: 13px 16px;
        letter-spacing: 0; text-transform: none;
        box-sizing: border-box;
    }

    /* Code blocks — scroll horizontally, don't expand page */
    .article-body pre {
        max-width: 100%; overflow-x: auto;
        padding: 1rem; box-sizing: border-box;
    }
    .article-body pre code { font-size: 0.78rem; }
}